import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: Administrator
 * Date: 2023-03-14
 * Time: 16:56
 */
public class test {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int x = scan.nextInt();
        switch(x){
            case 1:
            case 2:
            case 3:
                System.out.println("春季");
                break;
            case 4:
            case 5:
            case 6:
                System.out.println("夏季");
                break;
            case 7:
            case 8:
            case 9:
                System.out.println("秋季");
                break;
            case 10:
            case 11:
            case 12:
                System.out.println("冬季");
                break;
        }
    }
}
